描述
产品概述
TRICONEX 4351B是霍尼韦尔（Honeywell）Triconex容错安全仪表系统（SIS）中的通信模块，专为高可靠性和安全关键型工业应用设计。它支持多协议通信、冗余架构及广泛的接口扩展，广泛应用于石油、化工、电力、冶金等行业，实现系统互联、数据传输与远程监控。
核心功能与技术特点
1.多协议通信支持
协议兼容性：支持Modbus、TCP/IP、TriStation、TSAA（IP多播）、SNTP、Trimble GPS等协议，兼容工业标准及Triconex特有协议。
端口配置：
串行端口：4个RS-232/RS-485端口（DB-9连接器），最高115.2 Kbps/端口。
网络端口：2个10/100BaseT以太网端口（RJ-45连接器），支持光纤或铜缆传输，速率最高100 Mbps。
隔离设计：端口间隔离电压达500 VDC，防止电气干扰。
2.高可靠性与冗余架构
冗余设计：支持热备份与三模块冗余（TMR）架构，确保系统不间断运行。
故障检测：内置诊断功能，实时监测模块状态并报告异常，支持快速故障定位。
安全认证：符合IEC 61508 SIL 3安全标准，适用于安全仪表系统（SIS）。
3.工业环境适应性
工作温度：-40°C至+70°C（存储温度：-40°C至+70°C），适应极端工业环境。
防护等级：外壳设计满足危险区域安装要求，抗振动、粉尘及湿气干扰。
4.灵活配置与扩展
模块化设计：支持热插拔，可在不中断系统的情况下更换模块。
系统集成：与Triconex控制器（如3008/3004 CPU）、I/O模块（如3708E模拟量输入模块）无缝集成，扩展系统通信能力。
技术规格
参数说明
通信协议Modbus、TCP/IP、TriStation、TSAA、SNTP、Trimble GPS等
端口类型4个RS-232/RS-485（串行）、2个10/100BaseT以太网（网络）
传输速率串行端口：最高115.2 Kbps；网络端口：10/100 Mbps
隔离电压500 VDC
处理器32位RISC处理器，主频33 MHz（部分型号）
工作温度-40°C至+70°C
安全等级IEC 61508 SIL 3
Product Overview
The TRICONEX 4351B is a communication module in Honeywell Triconex Fault-tolerant Safety Instrumentation System(SIS)designed for high reliability and safety-critical industrial applications.It supports multi-protocol communication,redundant architecture and extensive interface expansion,and is widely used in petroleum,chemical,power,metallurgy and other industries,realizing system interconnection,data transmission and remote monitoring.
Core functions and technical features
1.Multi-protocol communication support
Protocol compatibility:supports Modbus,TCP/IP,TriStation,TSAA(IP multicast),SNTP,Trimble GPS and other protocols,and is compatible with industry standards and Triconex-specific protocols.
Port configuration:
Serial Port:4 RS-232/RS-485 ports(DB-9 connectors),up to 115.2 Kbps/port.
Network ports:2 10/100BaseT Ethernet ports(RJ-45 connectors),support fiber or copper transmission,up to 100 Mbps.
Isolation design:The port isolation voltage reaches 500 VDC to prevent electrical interference.
2.High reliability and redundancy architecture
Redundant design:supports hot backup and three-module redundancy(TMR)architecture to ensure the system is running uninterrupted.
Fault detection:Built-in diagnostic function,real-time monitoring of module status and reporting abnormalities,and supports rapid fault location.
Safety Certification:Complies with IEC 61508 SIL 3 safety standards,suitable for safety instrumentation systems(SIS).
3.Industrial environment adaptability
Operating temperature:-40°C to+70°C(Storage temperature:-40°C to+70°C),adapted to extreme industrial environments.
Protection level:The shell design meets the installation requirements of hazardous areas and is resistant to vibration,dust and moisture interference.
4.Flexible configuration and extension
Modular design:supports hot swapping,and can replace modules without interrupting the system.
System integration:Seamless integration with Triconex controllers(such as 3008/3004 CPUs),I/O modules(such as 3708E analog input modules),extending system communication capabilities.
Technical Specifications
Parameter Description
Communication protocols Modbus,TCP/IP,TriStation,TSAA,SNTP,Trimble GPS,etc.
Port type 4 RS-232/RS-485(serial),2 10/100BaseT Ethernet(network)
Transmission rate Serial port:up to 115.2 Kbps;Network port:10/100 Mbps
Isolation voltage 500 VDC
Processor 32-bit RISC processor,main frequency 33 MHz(some models)
Operating temperature-40°C to+70°C
Safety Level IEC 61508 SIL 3
